1900521

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 3179904

約数和(自身を除く): 1279383

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 311, 679, 873, 933, 2037, 2177, 2799, 6111, 6531, 19593, 30167, 90501, 211169, 271503, 633507, 1900521]

約数ペア:

[(1, 1900521), (3, 633507), (7, 271503), (9, 211169), (21, 90501), (63, 30167), (97, 19593), (291, 6531), (311, 6111), (679, 2799), (873, 2177), (933, 2037)]